Alert archive / Indiana / Flash Flood Warnings in 1998

Flash Flood Warning 55, NWS Paducah, KY

July 7, 1998Pike County, Indiana

NWS Paducah, KY issued this flash flood warning at Jul 7, 1998, 4:36 PM EST for Pike County, Indiana. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 7, 1998, 4:36 PM EST (21:36 UTC)
Expired
Jul 7, 1998, 7:30 PM EST
In force
3 hr
Issued by
NWS Paducah, KY
Area
Whole counties

County Pike County, IN

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.6 hours before the alert went out and 228 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 1998-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 943 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 1998-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
943 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
1078 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KPAH 072135
FFWPAH
INC125-080030-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PADUCAH KY
436 PM CDT (436 PM EST) TUE JUL 7 1998

THE NATIONAL WEATHER SERVICE IN PADUCAH HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  PIKE COUNTY IN SOUTHWESTERN INDIANA

* UNTIL 730 PM EST (730 PM CDT)

* AT AT 430 PM EST STORM SPOTTERS AND DOPPLER RADAR REPORTED
  FROM 2 TO 4 INCHES OF RAIN HAD FALLEN. RADAR SHOWED THE STORMS
  MOVING EAST AT 15 MPH THROUGH PIKE COUNTY.

* STORM SPOTTERS REPORT 3 TO 4 INCHES OF WATER OVER SOME ROADS IN
  THE CAMPBELLTOWN AND WINSLOW AREAS.

AREA RESIDENTS SHOULD MONITOR FLOOD CONDITIONS...AND BE PREPARED
TO MOVE TO HIGHER GROUND...SHOULD FLOOD WATERS THREATEN. IF FLASH
FLOODING IS OBSERVED...ACT QUICKLY. MOVE TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS TO RISE. NEVER ALLOW CHILDREN TO PLAY IN FLOOD WATERS
OR NEAR STORM DRAINS!

&

SDB

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Paducah, KY wrote its last area forecast discussion before this flash flood warning went out at Jul 7, 1:15 PM EST, 3 hours 21 minutes earlier.

Area forecast discussion, Jul 7, 1:15 PM EST, 3 hours 21 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PADUCAH KY
115 PM CDT TUE JUL 7 1998

BROAD UPPER RIDGE REMAINS FIRM OVER SRN U.S. THRU FCST PERIOD AS SHORT
WAVE DROPS OUT OF PLAINS ANC ACROSS GREAT LAKES TODAY/TONIGHT. A LOBE
OF VORTICITY EXTENDING SOUTH OUT OF THIS WAVE WILL LIFT ACROSS PAH FA
LATER TODAY...POSSIBLY AIDING ANY HEAT OF DAY TSMS THAT DEVELOP.
OTHERWISE MAIN ENERGY WITH THIS WAVE WILL STAY NORTH OF FA THROUGH
TONIGHT.

HOWEVER...BEST MRH IS TIED IN ALONG AND AHEAD OF QUASI-STNRY BOUNDARY
WHICH AT 17Z WAS ANALYZED FM LWR GREAT LAKES SW THRU CNTL MO TO OK. A
COUPLE OF SFC WAVES WERE ANALYZED ALONG THE BOUNDARY AND WL LIKELY CONT
THEIR NE PROPAGATION AS THE BOUNDARY SAGS SLIGHTLY S AND E THRU TIME.
MODELS KEEP HIGH RH OVER PAH FA THROUGH ABOUT 06Z WITH MODEL QPF
YIELDING 1/2 TO 1 INCH AMOUNTS ON AVERAGE...WITH ISOLD 1-2 INCHES
POSSIBLE AS AREA SOUNDINGS REVEAL AROUND 2 INCH PWS THRU 12Z WED. AS A
RESULT...LOCALLY HEAVY RAINS TO BE MAIN THREAT PAH FA NEXT 24
HOURS...THOUGH FAR NRN PTNS MAY YEILD SLGT RISK SVR DUE TO PROXIMITY TO
MAIN WAVE/DYNAMICS (SEE 94O).

WARM SOUPY AIR MEANS LOWS PROBABLY IN M-U70S AGAIN TONIGHT...WITH CHC
POPS RECOMMENDED. MODELS SUGGEST DRIER (RELATIVE) AIR SAGS SOUTH INTO
FA ON WEDNESDAY AS BEST MRH PUSHES EAST. HOWEVER...SFC TDS DONT
RESPOND...AND WITH HEAT OF DAY INSTABILITY AND LIKELY STILL LINGERING
FRONTAL OR OUTFLOW BOUNDARIES AROUND...CONTINUING CHC POP THROUGH
TOMORROW SEEMS PRUDENT.

WHILE IT WL REMAIN WARM AND HUMID...APPEARS CONVECTION MAY YIELD SCT
PCPN OR AT LEAST ENOUGH DEBRIS CLOUDS THROUGH TOMORROW TO TAP TEMPS BLO
HEAT ADVISORY CRITERIA.

DH

The office that day

Everything else NWS Paducah, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 7, 3:39 PM ESTSevere Thunderstorm WarningPAHPike61 min
Jul 7, 4:42 PM ESTSevere Thunderstorm WarningPAHPike, Warrick58 min
Jul 7, 4:42 PM ESTSevere Thunderstorm WarningPAHPike, Warrick63 min

Nearby

Flash Flood Warnings in Indiana, 1998Every flash flood warning in 1998

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.